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Hot plate left brownish / black mark and white ring on marble top.

Q. A plate from the microwave was placed on a polished brownish/black marble table top and left a whitish ring, its smooth to the touch...can it be repaired to remove the ring? A. It is possible to repair, but the question is whether you can do it... Read More

black spots on travertine shower

Q. My master bath was remodeled approx. 8 months ago and we used honed and tumbled travertine. It was professionally installed and moisture barrier was used in shower. Approx a month ago, I noticed a few black "dots" on the floor of the shower (they... Read More

How can I clean the black soot off my marble fireplace hearth?

Several products are designed specifically for cleaning soot and carbon build-up from marble. Contact your marble supply house. Be sure the product is not an acid; apply it per the manufacturer’s directions and allow it to sit on the marble for... Read More

I have to restore an outdoor sign that is made of a black agglomerate marble, the sign is faded and is very gray. I performed a small test patch and I was successful at restoring the sign. The question I have is, what caused the agglomerate to fade a

Agglomerate marbles are made of a combination of marble chips and a polyester resin. Polyester resins are very sensitive to ultraviolet light(UV) and therefore should not be used outdoors. To answer your question, yes, the marble will fade in a very... Read More

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